| centre of gravity | |
| —n | |
| the point through which the resultant of the gravitational forces on a body always acts | |
| centre of gravity | |
noun | |
| the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass [syn: center of gravity] |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |